*{
	margin: 0;
	padding: 0;
	list-style: none;
	text-decoration: none;
}
/* 内容导航 */
body{
	/* 定义最小宽度 */
	min-width: 1500px;
}
.content_nav{
	width: 100%;
	box-sizing: border-box;
	position: relative;
	display: flex;
	justify-content: center;
	margin: 0 auto;
	border: 1px solid #cccccc94;
}
.nomchecked{
	padding: 16px 12px;
	margin-left: 2px;
	display: inline-block;
	padding: 16px 12px;
	position: relative;
	font-size: 20px;
	cursor: pointer;
	color: #666;
}
.checked{
	color: #23b8ff;
	border-bottom: 4px solid #23b8ff;
}
.content_nav_btn button{
	color: #666;
	border-color: #999;
	padding: 3px 10px;
	position: absolute;
	top: 18px;
	right: 160px;
	border: 1px solid #666;
	background: #fff;
	
}
/* 课程 列表 */
.content_video{
	margin-top: 30px;
}
.content_video_title{
	text-align: center;
	font-size: 30px;
	color: #333;
	line-height: 70px;
	margin-top: 30px;
}
.content_video_box{
	width: 100%;
}
.video_box_father{
	width: 82%;
	margin: 0 auto;
}
.video_box{
	border: 1px solid #fff;
	display: flex;
	flex-wrap: wrap;
}
.video_box_li1:hover{
	border: 1px solid #00000017;
	box-shadow: 1px 1px 3px #ccc;
}
.video_box_li1{
	width: 220px;
	height: 224px;
	padding: 7px 7px 10px;
	border: 1px solid #fff;
	margin-left: 10px;
	margin-bottom: 6px;
}
.video_box_li1>img{
	width: 220px;
	height:124px;
}
.video_box_li1>a{
	color: #333;
	font-size: 14px;
	text-align: justify;
	display: inline-block;
}
.video_box_li1_3 a,.video_box_li1_3 span{
	color: #999;
	font-size: 12px;
	margin-left: 5px;
}
.video_box_li1_4>span:first-child{
	color: #f4621f;
	font-size: 14px;
}
.video_box_li1_4>span:last-child{
	color: #999;
	margin-left: 10px;
	font-size: 12px;
}
.hidden{
	display: none;
}
/* 查看全部课程 */
.openAll{
	width: 100%;
	margin: 50px 0;
}
.openAll-content{
	width: 80%;
	margin: 0 auto;
	text-align: center;
	height: 70px;
	line-height: 70px;
	/* -webkit-box-sizing: border-box; */
	/* box-sizing: border-box; 规定两个并排的带边框的框 */
	border: 5px solid #f4f4f4;
	border-radius: 1px;
	font-size: 18px;
	color: #333;
	
}
.openAll-content>span{
	cursor: pointer;
}
.openAll-content>span:hover{
	color:#23b8ff
}
/* 底部 --footer */
/* 合作链接 */
footer{
	width: 100%;
	background-color: #444547;
}
.footer-up{
	width: 1200px;
	margin: 0 auto;
	padding: 40px 0 20px;
	border-bottom: 1px solid #4a4b4c;
}
.footer-up-title{
	font-size: 22px;
	color: #999;
}
.footer-up-content{
	width: 1200px;
	padding-top:25px ;
	overflow: hidden;
}
.footer-up-content>li{
	display: block;
	float: left;
	padding: 0 40px 12px 0;
}
.footer-up-content>li>a{
	font-size: 14px;
	color: #999;
	cursor: pointer;
}
.footer-up-content>li>a:hover{
	color: #999;
	text-decoration: underline !important;
}
/* 版权说明 */
.footer-down{
	padding-top: 40px;
	height: 180px;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	text-align: center;
	background: #444547;
	font-size: 12px;
	color: #777777;
}
.footer-down-one{
	width: 42px;
}
.footer-down-two{
	margin: 10px 0px;
}
.footer-down-ul{
	display: flex;
	justify-content: center;
}
.footer-down-ul>li{
	float: left;
}
.footer-down-ul>li>a{
	color: #777777;
}
.footer-down-ul>li>a:hover{
	color: #777777;
	text-decoration: underline !important;
}
/* java列表 */
.zsxJava_videoList{
	width: 80%;
	display: flex;
	justify-content: center;
	margin: 0 auto;
}

.zsxJava_videoList_img{
	width: 50%;
	height: 348px;
	border: none;
	position: relative;
}
._imgWidth img{
	width: 100%;
	height: 350px;
}
/* 遮盖 */
._img_tips{
	width: 100%;
	height: 350px;
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	background-color: rgba(0,0,0,.7);
	text-align: center;
}
._img_tips_top{
	margin: 64px 0 0;
	color: #ffffff;
}
._tips_title{
	width: 100%;
	font-size: 24px;
	margin-bottom: 30px;
}
._tips_time{
	font-size: 18px;
	display: flex;
	justify-content: center;
	align-items: center;
	width: 280px;
	height: 30px;
	margin: 0 auto;
	background-color: #010102;
	border-radius: 15px;
}
._tips_btn{
	display: block;
	width: 180px;
	height: 50px;
	background-color: #23b8ff;
	margin: 0 auto;
	line-height: 50px;
	border-radius: 3px;
	margin-top: 30px;
	cursor: pointer;
}
.timeNum{
	padding: 0 6px;
	color: #23b8fa;
	font-weight: bold;
	height: 24px;
	line-height: 27px;
}
._tips_bottom{
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0px;
	display: flex;
	align-items: center;
	height: 70px;
	padding-left: 15px;
	background-color: rgba(0,0,0,.3);
}
._tips_bottom_img{
	width: 40px;
	height: 40px;
	border-radius: 50%;
}
._tips_bottom_imgtxt{
	font-size: 18px;
	height: 70px;
	line-height: 70px;
	margin: 0 20px;
}
._tips_bottom>a{
	height: 70px;
	height: 70px;
	display: flex;
	position: absolute;
	right: 15px;
}
._tips_bottom_to{
	max-width: 334px;
	height: 70px;
	line-height: 70px;
	font-size: 16px;
	color: #ffffff;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}
._tips_bottom>a:hover ._tips_bottom_to{
	color: #23B8FF;
}
._rightJiantou{
	height: 70px;
	line-height: 70px;
	color: #ffffff;
}
._tips_bottom>a:hover ._rightJiantou{
	color: #23B8FF;
}
.zsxJava_videoList_text{
	width: 50%;
	height: 348px;
	background-color: #F4F4F4;
	position: relative;
	overflow: hidden;
	overflow-y: auto;
	border-top: 1px solid #F4F4F4;
	border-bottom: 1px solid #f4f4f4;
	/* box-sizing: border-box; */
}
.zsxJava_videoList_text_ul{
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	top: 0;
}
.zsxJava_videoList_text_ul>li{
	border-left: 4px solid #f4f4f4;
	padding: 0 48px;
}
._text_ul_a{
	height: 50px;
	line-height: 50px;
	display: flex;
	align-items: center;
}
._gif{
	border-radius: 97%;
	display: inline-block;
	width: 24px;
	height: 24px;
	vertical-align: middle;
	background-color: #cccccc;
	position: relative;
	transform: scale(.3);
}
.kaibogif{
	display: inline-block;
	vertical-align: middle;
	width: 24px;
	height: 24px;
	vertical-align: middle;
	background-image: url(../images/kaibo.gif);
	background-repeat: no-repeat;
	background-size: 100% 100%;
	position: relative;
}
._time{
	color: #bbbbbb;
	font-size: 16px;
	padding: 0 25px;
	border-left: 2px dotted #e8e8e8;
	margin-left: -13px;
}
._title{
font-size: 16px;
/* 单行文本超出隐藏,超出部分变三点 */
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
/* 允许长单词换行到下一行 */
word-wrap: normal;
}
/* .zsxJava_videoList_text_ul>li:hover{
	background-color: #fff;
}
.zsxJava_videoList_text_ul>li:hover div{
	color: #6bc3f9;
}
.zsxJava_videoList_text_ul>li:hover div:first-child{
	background-color: #23b8ff;
} */
.content_video_title_more{
	width: 80%;
	margin: 0 auto;
	margin-top: 30px;
	margin-bottom: 10px;
	padding-bottom: 5px;
	border-bottom: 5px solid #f4f4f4;
}
.content_video_title_more span:nth-child(2){
	float: right;
	font-size: 16px;
	padding-right: 15px;
	position: relative;
}
._more_right{
	position: absolute;
	top: 26px;
	right: 0px;
}
/* 热门分类 */
._video_hotList{
	width: 80%;
	margin: 0 auto;
	margin-top: -10px;
	margin-bottom: -10px;
	padding: 18px 0 0;
}
._video_hotList_dl{
display: flex;	
align-items: baseline;
color: #999999;
font-size: 18px;
}
._video_hotList_ul{
display: flex;
padding-left: 60px;
}
._video_hotList_ul>li{
margin: 0 50px 24px 0;
color: #333333;
font-size: 16px;
}
